
import java.net.*;
public class ReceiveLetterForServer implements Runnable{
 public void run(){
  DatagramPacket pack=null;
  DatagramSocket postman=null;
  byte data[]=new byte[8192];
  try{
   pack=new DatagramPacket(data,data.length);
   postman=new DatagramSocket(888);
  }
  catch(Exception e){}
  while(true){
   if(postman==null)
    break;
   else{
    try{
     postman.receive(pack);
     String message=new String(pack.getData(),0,pack.getLength());
     System.out.printf("%25s\n","收到："+message);
    }
    catch(Exception e){}
   }
  }
 }
}